Martin Luther King Jr. service day

Dozens of volunteers Kelly Logacho, center left, and Kim Greenberg, center right, paint a portion of a mural on the school walls as they take part in City Year Chicago's 2018 National Day of Service at Gale Community Academy in Chicago on Jan. 15, 2018.

Dozens of volunteers, including Anne McKibbin, left, and Eunice Oh, paint letters on a wall as they take part in City Year Chicago's 2018 National Day of Service at Gale Community Academy in Chicago on Jan. 15, 2018.